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jek_recluse [69]
3 years ago
8

About 14% of the population of a large country is math phobic. if two people are randomly selected, what is the probability both

are math phobic? what is the probability at least one is math phobic
Mathematics
1 answer:
kotegsom [21]3 years ago
7 0
Probability of both : 0.14 time 0.14 probability of at least one : i minus the probability of neither probability of neither :0.86 time 0.86
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Two adults and 9 students cost $50 to attend
rjkz [21]

Answer:

The cost of tickets for a play is $3.00 for adults and $2.00 for children. 350 tickets were sold and $950 was collected. How many tickets of each type were sold?

Let x = number of $3 tickets

Let y = number of $2 tickets

Total = quantity × value

Step-by-step explanation:

x + y = 350                    (equation 1)

3x + 2y = 950                 (equation 2)

Use Substitution Method

Isolate variable x in equation 1

x = 350 – y                     (equation 3)

Substitute equation 3 into equation 2

3(350 – y) + 2y = 950

1050 – 3y + 2y = 950

3y – 2y = 1050 – 950

y = 100

Substitute y = 100 into equation 1

x + 100 = 350

x = 250

Answer: 250 $3 tickets and 100 $2 tickets were sold.

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4 years ago
Pls help ASAP ASAP ASAAPAPIAJNJ
s2008m [1.1K]
Gas cause when water evaporates it turned into air :)
8 0
4 years ago
Select all expressions that are equivalent to -36x+54y-90
xz_007 [3.2K]

Answer:

We need to know what expressions we can select from to help you. Sorry!

Step-by-step explanation:

7 0
4 years ago
10 students of a class had a mean score of 70. The remaining 15
Anton [14]

Oops someone else answered it before me

3 0
4 years ago
Given f(x) and g(x) = k⋅f(x), use the graph to determine the value of k.
8090 [49]

Answer:

  (a)  -5

Step-by-step explanation:

The vertical scale factor for the graph and the function can be found by comparing the y-value of a point on f(x) to the y-value of a point on g(x). The graph conveniently marks two corresponding points with these y-values:

  f(-2) = 2

  g(-2) = -10

The value of k in g(x)=k·f(x) is the ratio of these y-values:

  k = g(-2)/f(-2) = -10/2 = -5

The value of the vertical scale factor k is -5.

6 0
2 years ago
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